1461601384331 has 16 divisors (see below), whose sum is σ = 1680166488960. Its totient is φ = 1257466034880.

The previous prime is 1461601384319. The next prime is 1461601384333. The reversal of 1461601384331 is 1334831061641.

It is not a de Polignac number, because 1461601384331 - 2¹⁸ = 1461601122187 is a prime.

It is a super-2 number, since 2×1461601384331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1461601384333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3494426 + ... + 3890271.

It is an arithmetic number, because the mean of its divisors is an integer number (105010405560).

Almost surely, 2^{1461601384331} is an apocalyptic number.

1461601384331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1461601384331 is a deficient number, since it is larger than the sum of its proper divisors (218565104629).

1461601384331 is a wasteful number, since it uses less digits than its factorization.

1461601384331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7385674.

The product of its (nonzero) digits is 124416, while the sum is 41.

The spelling of 1461601384331 in words is "one trillion, four hundred sixty-one billion, six hundred one million, three hundred eighty-four thousand, three hundred thirty-one".